In the college entrance examination, A-B paper is to prevent cheating. The titles of volumes A-B are the same, except that the titles are not in the same order, and everything else is the same.

The college entrance examination papers are organized and produced by the examination center of the Ministry of Education, which are applicable to most provinces and regions in China to ensure the fairness of talent selection. The national volume is divided into national volume A, national volume B and national volume C..

Quasi-volume classification

New standard volume 1, from 20 13, national II. Since 20 16, the first, second and third volumes of the new national standard. Since 20 16, the first, second and third volumes of this country have been renamed as countries B, A and C.

Minority languages (Japanese/Russian/French/German/Spanish) use the national unified examination papers, and all provinces have no right to make independent propositions, regardless of A, B and C.